Should these parts become dented or damaged in anyway you should replace them immediately. Damage to the air cap and head assembly will effect the performance of your airbrush. Thus like the needle you will be unable to create desirable airbrush art. Both the needle, air cap and head assembly can be purchased at almost any craft or hobby shop that sells airbrushes and airbrush parts. While experienced artists understand this, again a beginner may not. So it was worth mentioning as well. After the airbrush art tattoo is completely dry then you need to apply talc powder. The talc powder will help to absorb additional oily ensuring more life for the tattoo. An airbrushed tattoo should last for 7 days. Classic paintings can be airbrushed onto canvas to give for great wall art. With airbrushing the paint goes on to the canvas more evenly than if it had been hand painted. Also the time frames are shortened when the paintings are airbrushed versus hand painted. Family portraits can be airbrushed over hand painted as well to give for a more realistic painting. Over spraying is when the artist sprays outside of the area in which they are trying to spray. When working with nails you do not want to end up airbrushing the person's fingers. So before attempting to do airbrush art on nails gain some experience with airbrushing on larger surfaces. Depending on the type of airbrush art you are doing will determine the type of airbrush that you need. With this video you will be shown how to airbrush 23 skulls onto an area the size of a dime. This video will show you every thing that you would every need to know about working with micro airbrushing. A couple of great features of the video is that you will learn how to truly work with House of Kolors paints and how to work with low air pressures. Then off course you will need airbrush paints that are designed for the human skin. This is usually referred to as airbrush tattoo ink. To finish up the process you will need talc powder and 70 percent alcohol. The stencils are available in a wide variety of designs thus giving you almost limitless creativity when using airbrush art to create tattoos.